summaryrefslogtreecommitdiff
path: root/usr.sbin/bind/lib/isc
diff options
context:
space:
mode:
Diffstat (limited to 'usr.sbin/bind/lib/isc')
-rw-r--r--usr.sbin/bind/lib/isc/random.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/usr.sbin/bind/lib/isc/random.c b/usr.sbin/bind/lib/isc/random.c
index e9b06c31913..d74873aaa78 100644
--- a/usr.sbin/bind/lib/isc/random.c
+++ b/usr.sbin/bind/lib/isc/random.c
@@ -33,7 +33,9 @@ static isc_once_t once = ISC_ONCE_INIT;
static void
initialize_rand(void)
{
+#ifndef HAVE_ARC4RANDOM
srand(time(NULL));
+#endif
}
static void
@@ -47,7 +49,11 @@ isc_random_seed(isc_uint32_t seed)
{
initialize();
+#ifndef HAVE_ARC4RANDOM
srand(seed);
+#else
+ arc4random_addrandom((u_char *) &seed, sizeof(isc_uint32_t));
+#endif
}
void
@@ -57,7 +63,11 @@ isc_random_get(isc_uint32_t *val)
initialize();
+#ifndef HAVE_ARC4RANDOM
*val = rand();
+#else
+ *val = arc4random();
+#endif
}
isc_uint32_t
@@ -66,5 +76,9 @@ isc_random_jitter(isc_uint32_t max, isc_uint32_t jitter) {
if (jitter == 0)
return (max);
else
+#ifndef HAVE_ARC4RANDOM
return (max - rand() % jitter);
+#else
+ return (max - arc4random() % jitter);
+#endif
}